The scores on a 30-point multiple-choice exam are given in the following frequency table:
The range on the exam is
A. 7.
B. 10.
C. 9.
D. 8.
E. none of these
Answer: A
Mathematics
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Solve the following quadratic equation using the quadratic formula. Find the exact answer. If there are no real solutions, so state.4x2 - x + 4 = 0
A. x = 
B. x = 1 ± 3
C. x = 
D. no real solution
Mathematics
Use the laws of exponents to simplify each expression using positive exponents only. Assume all variables represent nonzero real numbers.-3y0
A. 1 B. 0 C. -2 D. -3
Mathematics
Perform the operation indicated.
? 
A. 
B. 
C. 
D. 
Mathematics
How many planes pass through three distinct points not on the same line?
What will be an ideal response?
Mathematics